<template>
  <div id="container" class="login-container">
    <vue-particles
      color="#409EFF"
      :particleOpacity="0.7"
      :particlesNumber="80"
      shapeType="circle"
      :particleSize="4"
      linesColor="#409EFF"
      :linesWidth="1"
      :lineLinked="true"
      :lineOpacity="0.4"
      :linesDistance="150"
      :moveSpeed="3"
      :hoverEffect="true"
      hoverMode="grab"
      :clickEffect="true"
      clickMode="push"
    >
    </vue-particles>
    <div class="loginDiv">
      <el-form
        ref="loginForm"
        :model="loginForm"
        :rules="loginRules"
        class="login-form"
        auto-complete="on"
        label-position="left"
      >
        <div class="title-container">
          <h3 class="title">后 台 登 录</h3>
        </div>

        <el-form-item prop="username">
          <span class="svg-container">
            <i class="el-icon-user"></i>
          </span>
          <el-input
            ref="username"
            v-model="loginForm.username"
            placeholder="用户名"
            name="username"
            type="text"
            tabindex="1"
            auto-complete="on"
            maxlength="16"
          />
        </el-form-item>

        <el-form-item prop="password">
          <span class="svg-container">
            <i class="el-icon-lock"></i>
          </span>
          <el-input
            :key="passwordType"
            ref="password"
            v-model="loginForm.password"
            :type="passwordType"
            placeholder="密码"
            name="password"
            tabindex="2"
            auto-complete="on"
            maxlength="16"
            @keyup.enter.native="handleLogin"
          />
          <span class="show-pwd" @click="showPwd">
            <i
              :class="
                passwordType === 'password'
                  ? 'el-icon-turn-off'
                  : 'el-icon-open'
              "
            ></i>
          </span>
        </el-form-item>
        <el-form-item prop="isSuccess">
          <SlideUnlock
            :initialtext="'活动解锁'"
            :successtext="'解锁成功'"
            :isSuccess.sync="loginForm.isSuccess"
            height="30px"
            :circle="false"
            :width="250"
          />
        </el-form-item>
        <el-button
          :loading="loading"
          type="primary"
          style="width: 100%; margin-bottom: 30px"
          @click.native.prevent="handleLogin"
          >登 录</el-button
        >
      </el-form>
    </div>
  </div>
</template>

<script>
// import axios from "axios";
export default {
  name: "Login",
  data() {
    const validateUsername = (rule, value, callback) => {
      if (value.length < 5 || value.indexOf("?") >= 0) {
        callback(new Error("请输入正确的用户名"));
      } else {
        callback();
      }
    };
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error("密码不能小于6位"));
      } else {
        callback();
      }
    };
    const validateSlide = (rule, value, callback) => {
      if (!value) {
        callback(new Error("请解锁滑动"));
      } else {
        callback();
      }
    };
    return {
      loginForm: {
        username: "root1",
        password: "123456",
        isSuccess: false,
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", validator: validateUsername },
        ],
        password: [
          { required: true, trigger: "blur", validator: validatePassword },
        ],
        isSuccess: [
          { required: true, trigger: "blur", validator: validateSlide },
        ],
      },
      loading: false,
      passwordType: "password",
      redirect: undefined,
    };
  },
  methods: {
    showPwd() {
      if (this.passwordType === "password") {
        this.passwordType = "";
      } else {
        this.passwordType = "password";
      }
      this.$nextTick(() => {
        this.$refs.password.focus();
      });
    },
    handleLogin() {
      this.$refs.loginForm.validate((valid) => {
        if (valid) {
          this.loading = true;
          //   this.$store
          //     .dispatch("user/login", this.loginForm)
          //     .then(() => {
          //       this.$router.push({ path: this.redirect || "/" });
          //       this.loading = false;
          //     })
          //     .catch(() => {
          //       this.loading = false;
          //     });

          // axios
          //   .post("/ajax/login", this.loginForm)
          //   .then((res) => {
          //     console.log(res);
          //   })
          //   .catch((err) => {
          //     console.log(err);
          //   });
          this.$router.push({ path: this.redirect || '/admin' })
        } else {
          return false;
        }
      });
    },
  },
};
</script>
<style lang="scss">
#container {
  height: 100vh;
}
#particles-js {
  width: 100%;
  height: calc(100% - 5px);
  overflow: hidden;
}
.loginDiv {
  transform: translate(-50%, -50%);
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 5px;
  box-shadow: 3px 3px 6px 3px rgba(190, 190, 190, 0.5);
}

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    max-width: 100%;
    padding: 26px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 5px;
    color: $dark_gray;
    vertical-align: middle;
    font-size: 25px;
    width: 20px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight:normal;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 25px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
}
</style>